
C H A P T E R 1
Cisco CRS Carrier Routing System
This installation guide describes how to install the power, air circulation, line card, and external components into and remove them from a Cisco CRS Carrier Routing System
This chapter introduces the Cisco CRS
This chapter presents the following topics:
•Chassis Overview, page
•Chassis Components, page
•Chassis Slot Numbers, page
•Chassis Cable Management, page
•Chassis Cooling System, page
•Chassis Power System, page
•Safety Guidelines, page
•Preventing Electrostatic Discharge, page
Chassis Overview
The Cisco CRS
•Up to eight modular services cards (MSCs), forwarding processor (FP) cards, and label switch processor (LSP) cards, also called line cards (up to eight)
•Physical layer interface modules, or PLIMs (up to eight, one for each line card)
•Route processor (RP) cards (up to two) or performance route processor (PRP) cards (up to two)
•Switch fabric cards (four required)
•SPA Interface Processors (SIPs) and Shared Port Adapters (SPAs) which can be installed instead of PLIMs
Cisco CRS Carrier Routing System
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